date:20170601

Re: How to call Clojure from Java?

2017-06-01 Thread Daniel Compton

Hi thelmuth

Here's a fully worked example. It calls the Clojure function
myco.dashed-namespace.app.core/start!. Save it to
src/myco/dashed_namespace/app/Main.java.

package myco.dashed_namespace.app;

import clojure.java.api.Clojure;
import clojure.lang.IFn;

public class Main {
public static void main(String[] args) {
try {
IFn require = Clojure.var("clojure.core", "require");
require.invoke(Clojure.read("myco.dashed-namespace.app.core"));

Clojure.var("myco.dashed-namespace.app.core", "start!").invoke();
}
catch (Throwable e) {
System.out.println(e.getMessage());
}
}
}


On Fri, Jun 2, 2017 at 1:24 PM James Reeves  wrote:

> There's a brief section on this on the Clojure website:
>
> https://clojure.org/reference/java_interop#_calling_clojure_from_java
>
> On 2 June 2017 at 01:35, thelmuth  wrote:
>
>> What is the best way to call a Clojure function from Java?
>>
>> Most of the resources I have found are either very old or don't go into
>> enough detail. I am a Clojure programmer with very little Java background,
>> and have been having trouble with the methods I've found, especially
>> classpath issues.
>>
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>
>
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Re: How to call Clojure from Java?

2017-06-01 Thread James Reeves

There's a brief section on this on the Clojure website:

https://clojure.org/reference/java_interop#_calling_clojure_from_java

On 2 June 2017 at 01:35, thelmuth  wrote:

> What is the best way to call a Clojure function from Java?
>
> Most of the resources I have found are either very old or don't go into
> enough detail. I am a Clojure programmer with very little Java background,
> and have been having trouble with the methods I've found, especially
> classpath issues.
>
> --
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-- 
James Reeves
booleanknot.com

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How to call Clojure from Java?

2017-06-01 Thread thelmuth

What is the best way to call a Clojure function from Java?

Most of the resources I have found are either very old or don't go into 
enough detail. I am a Clojure programmer with very little Java background, 
and have been having trouble with the methods I've found, especially 
classpath issues.

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Re: [ANN] Eastwood, the Clojure lint tool, version 0.2.4 released

2017-06-01 Thread Andy Fingerhut

I do not know whether you (Peter) are the same as the user pedro-w on
Github, but pedro-w created this Eastwood issue and added a comment with
links to a related discussion on a tools.reader issue tracker:
https://github.com/jonase/eastwood/issues/222

If you can find a way, with just tools.reader alone, to call
clojure.tools.reader/read in such a way that it first reads and uses the
contents of a data_readers.clj file, and then can successfully read the
sample .clj file in that issue #222 that causes Eastwood to fail now, that
sequence of API calls would be useful to know, and might be all that
Eastwood needs to work for projects with a non-empty data_readers.clj
file.  Adding that working sequence of API calls to Eastwood issue #222
would be a good place to document that, if someone finds out how to do it.

Yes, Eastwood does have source code copies of tools.reader and several
other open source libraries inside of itself, renamed to different
namespaces.  Why do such a crazy thing, you might reasonably ask?  Because
then Eastwood can read, analyze, and load tools.reader itself, without
conflicting with the one that Eastwood uses for its own purposes.  If a
project you want to lint via Eastwood is using an older version of
tools.reader, missing some function or feature Eastwood relies on, and
Eastwood didn't use this technique, it would fail on such a project.

I started 'dolly' (https://github.com/jafingerhut/dolly) to assist with
bringing new versions of libraries Eastwood depends upon into Eastwood,
renaming the namespaces semi-automatically for you.  It isn't in a shape
that I would recommend others to use right now, and it might never be in
that kind of shape, but it can do some things.  Its README mentions
mranderson as another similar project that might be better suited for
others.

Andy

On Thu, Jun 1, 2017 at 8:19 AM, Peter Hull  wrote:

> I had a quick look at this. As I understand it, the clojure.core reader
> processes data_readers.clj, but Eastwood uses tools.reader (or a version of
> it, copied into the Eastwood project?) which does not.
>
> I thought that, for linting, we don't need to actually run the data reader
> functions, so it should be possible to use the *default-data-reader-fn*
> mechanism to swallow the tag + value, returning 'something' (doesn't matter
> what, I used (gensym) ).
>
> I tried editing leiningen.eastwood/eastwood, but unfortunately couldn't
> find a way to set *default-data-reader-fn* such that tools.reader could
> pick it up. I am now at the limits of my clojur e knowledge!
>
> Does this sound reasonable? Any ideas what I am doing wrong?
>
> Pete
>
>
>
> On Thursday, 1 June 2017 07:19:04 UTC+1, Peter Hull wrote:
>>
>> On Thursday, 1 June 2017 06:55:52 UTC+1, Andy Fingerhut wrote:
>>>
>>> Sounds like a limitation/bug in the current Eastwood implementation that
>>> it doesn't handle this.  You are welcome to file an issue on Github:
>>> https://github.com/jonase/eastwood/issues
>>>
>>> Thanks for getting back to me. I've filed #222 (
>> https://github.com/jonase/eastwood/issues/222)
>> Pete
>>
>>
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Re: The simplest way to publish to Clojars?

2017-06-01 Thread Sean Corfield

Thanks for the clarification Toby!

Boot doesn’t sign JARs by default but the push task has the following 
GPG-related options for folks who want to:

  -g, --gpg-sign  Sign jar using GPG private key.
  -k, --gpg-user-id KEY   KEY sets the name or key-id used to select the 
signing key.
  -K, --gpg-keyring PATH  DEPRECATED: PATH sets the path to secring.gpg 
file to use for signing.
  -p, --gpg-passphrase PASS   PASS sets the passphrase to unlock GPG signing 
key.

Sean Corfield -- (970) FOR-SEAN -- (904) 302-SEAN
An Architect's View -- http://corfield.org/

"If you're not annoying somebody, you're not really alive."
-- Margaret Atwood

On 6/1/17, 5:03 AM, "Toby Crawley"  wrote:

On Thu, Jun 1, 2017 at 12:01 AM, Sean Corfield  wrote:
> All the SSH keys and PGP/GPG stuff is unnecessary now, unless you want to
> store your username/password credentials locally in encrypted form. 
There’s
> no longer any signing or promotion of JARs.

Jar promotion no longer exists on Clojars, but jar signing is still
supported. By default, lein attempts to sign jars, but this can be
disabled (run `lein sample` and search for `:sign-releases`). I don't
know what boot does by default with respect to signing.

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[ANN] com.walmartlabs/lacinia-pedestal 0.2.0

2017-06-01 Thread Howard Lewis Ship

lacinia-pedestal provides the Pedestal support to expose web endpoints
backed by Lacinia's GraphQL.

This release improves async behavior, and upgrades the Lacinia dependency
to the latest, 0.17.0.

https://github.com/walmartlabs/lacinia-pedestal

-- 
Howard M. Lewis Ship

Senior Mobile Developer at Walmart Labs

Creator of Apache Tapestry

(971) 678-5210
http://howardlewisship.com
@hlship

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Re: [ANN] Eastwood, the Clojure lint tool, version 0.2.4 released

2017-06-01 Thread Peter Hull

I had a quick look at this. As I understand it, the clojure.core reader 
processes data_readers.clj, but Eastwood uses tools.reader (or a version of 
it, copied into the Eastwood project?) which does not. 

I thought that, for linting, we don't need to actually run the data reader 
functions, so it should be possible to use the *default-data-reader-fn* 
mechanism to swallow the tag + value, returning 'something' (doesn't matter 
what, I used (gensym) ).

I tried editing leiningen.eastwood/eastwood, but unfortunately couldn't 
find a way to set *default-data-reader-fn* such that tools.reader could 
pick it up. I am now at the limits of my clojur e knowledge!

Does this sound reasonable? Any ideas what I am doing wrong?

Pete

On Thursday, 1 June 2017 07:19:04 UTC+1, Peter Hull wrote:
>
> On Thursday, 1 June 2017 06:55:52 UTC+1, Andy Fingerhut wrote:
>>
>> Sounds like a limitation/bug in the current Eastwood implementation that 
>> it doesn't handle this.  You are welcome to file an issue on Github: 
>> https://github.com/jonase/eastwood/issues
>>
>> Thanks for getting back to me. I've filed #222 (
> https://github.com/jonase/eastwood/issues/222)
> Pete
>  
>

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Re: clojure.spec merge+or bug?

2017-06-01 Thread Alex Miller

You can file a bug on the s/merge unform - anything that doesn't roundtrip 
should be a bug.

On the coll-of one, I thought that was just fixed in the latest spec.alpha 
release (see https://dev.clojure.org/jira/browse/CLJ-2076) - are you using 
latest there?

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Re: The simplest way to publish to Clojars?

2017-06-01 Thread Toby Crawley

On Thu, Jun 1, 2017 at 12:01 AM, Sean Corfield  wrote:
> All the SSH keys and PGP/GPG stuff is unnecessary now, unless you want to
> store your username/password credentials locally in encrypted form. There’s
> no longer any signing or promotion of JARs.

Jar promotion no longer exists on Clojars, but jar signing is still
supported. By default, lein attempts to sign jars, but this can be
disabled (run `lein sample` and search for `:sign-releases`). I don't
know what boot does by default with respect to signing.

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Re: [ANN] Eastwood, the Clojure lint tool, version 0.2.4 released

2017-06-01 Thread Peter Hull

On Thursday, 1 June 2017 06:55:52 UTC+1, Andy Fingerhut wrote:
>
> Sounds like a limitation/bug in the current Eastwood implementation that 
> it doesn't handle this.  You are welcome to file an issue on Github: 
> https://github.com/jonase/eastwood/issues
>
> Thanks for getting back to me. I've filed #222 
(https://github.com/jonase/eastwood/issues/222)
Pete
 

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Re: How to call Clojure from Java?

Re: How to call Clojure from Java?

How to call Clojure from Java?

Re: [ANN] Eastwood, the Clojure lint tool, version 0.2.4 released

Re: The simplest way to publish to Clojars?

[ANN] com.walmartlabs/lacinia-pedestal 0.2.0

Re: [ANN] Eastwood, the Clojure lint tool, version 0.2.4 released

Re: clojure.spec merge+or bug?

Re: The simplest way to publish to Clojars?

Re: [ANN] Eastwood, the Clojure lint tool, version 0.2.4 released

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